Crestron MP-AMP30 Comment utiliser

Crestron MP-AMP30

Media Presentation Audio Amplifier

Operations & Installation Guide

This document was prepared and written by the Technical Documentation department at:

Crestron Electronics, Inc.

15 Volvo Drive

Rockleigh, NJ 07647

1-888-CRESTRON

Regulatory Compliance

Federal Communications Commission (FCC) Compliance Statement

This device complies with part 15 of the FCC rules. Operation is subject to the following conditions:

(1) this device may not cause harmful interference and (2) this device must accept any interference received,

including interference that may cause undesired operation.

CAUTION: Changes or modifications not expressly approved by the manufacturer responsible for compliance

could void the user’s authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy

and if not installed and used in accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a particular installation. If

this equipment does cause harmful interference to radio or television reception, which can be determined by

turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the

following measures:

Reorient or relocate the receiving antenna

Increase separation between the equipment and the receiver

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected

Consult the dealer or an experienced radio/TV technician for help

As of the date of manufacture, the MP-AMP30 has been tested and found to comply with specifications for CE

marking and standards per EMC and Radiocommunications Compliance Labelling.

All brand names, product names and trademarks are the property of their respective owners.

Crestron MP-AMP30 Media Presentation Audio Amplifier

Contents

Media Presentation Audio Amplifier: MP-AMP30 1

Introduction ...............................................................................................................................1

Features and Functions................................................................................................1

Applications.................................................................................................................2

Specifications ..............................................................................................................2

Physical Description....................................................................................................3

Setup ..........................................................................................................................................6

Installation................................................................................................................... 6

Hardware Hookup ....................................................................................................... 6

Problem Solving ........................................................................................................................7

Troubleshooting........................................................................................................... 7

Further Inquiries .......................................................................................................... 7

Future Updates ............................................................................................................ 7

Return and Warranty Policies ....................................................................................................8

Merchandise Returns / Repair Service ........................................................................ 8

CRESTRON Limited Warranty...................................................................................8

Operations & Installation Guide – DOC. 6917B Contents •i

Crestron MP-AMP30 Media Presentation Audio Amplifier

Media Presentation Audio

Amplifier: MP-AMP30

Introduction

The Crestron®MP-AMP30 provides a convenient, low-cost audio amplifier solution

for a variety of applications. A perfect complement to the entire Media Presentation

line from Crestron, it features a compact surface-mountable design that installs

virtually anywhere without requiring an equipment rack. High-efficiency Class D

circuitry delivers 15 Watts per channel to drive one or two pairs of 8-Ohm speakers,

or a single pair of 4-Ohm speakers, making it ideal to support stereo speakers at the

front of a room or mono speakers in the ceiling. Mono-summed operation is enabled

by changing two jumpers on the front panel.

Refined, reliable operation is ensured thanks to pop-free turn-on circuitry and

electronic short-circuit and overload protection. An energy-saving design achieves

optimum efficiency under load, and powers down automatically when no input

signal is detected for more than five minutes, reducing overall power consumption

and heat as part of a green system design. Its extruded aluminum housing is both

attractive and effective at dissipating heat, affording a silent running design without

cooling fans.

Features and Functions

• Compact surface mount power amplifier

• 15 Watts per channel into 8 or 4 Ohms

• Stereo or mono-summed operation

• High-efficiency Class D topology

• Energy saving design reduces power consumption when idle

• Convection cooled for noiseless operation

• Simple volume, bass, and treble adjustments

• Built-in loudness contour circuit

• Electronic short-circuit and overload protection

• Detachable terminal block speaker connections

• Unbalanced RCA line inputs, 3-foot (~0.9 meter) cable included

Operations & Installation Guide – DOC. 6917B Media Presentation Audio Amplifier: MP-AMP30 •1

Media Presentation Audio Amplifier Crestron MP-AMP30

Installation and setup of the MP-AMP30 is simple. Detachable output connectors

facilitate the termination of speaker wiring up to 16 gauge. RCA inputs connect

directly to the line output of a video projector or display, audio processor, mixer, or

AV switcher. Rotary controls provide for adjusting the overall speaker volume, as

well as bass and treble. For quiet environments, loudness compensation is employed

by setting the volume control below the center detent position.

Applications

The following diagram shows an MP-AMP30 in a typical application.

Specifications

Specifications for the MP-AMP30 are listed in the following table.

MP-AMP30 Specifications

SPECIFICATION DETAILS

Audio

Input Volume Range

Loudness

Bass Gain Range

Treble Gain Range

Frequency Response

S/N Ratio

THD+N:

Output Power

-55dB to +20dB

Active at volume settings below center detent

±15dB @ 100Hz

±15dB @ 10kHz

20Hz to 20kHz ±0.5dB

75dB 20Hz to 20kHz A-weighted

0.7% 20Hz to 20kHz

15 Watts per channel at 8 or 4 Ohms

Power Requirements

Power Consumption

48 Watts (2.0 Amps @ 24 Volts DC) Power supply

included

(Continued on following page)

2 •Media Presentation Audio Amplifier: MP-AMP30 Operations & Installation Guide – DOC. 6917B

Crestron MP-AMP30 Media Presentation Audio Amplifier

MP-AMP30 Specifications (Continued)

SPECIFICATION DETAILS

Environmental

Temperature

Humidity

Heat Dissipation

41º to 104º F (5º to 40º C)

10% to 90% RH (non-condensing)

21 BTU/Hr

Enclosure

Chassis

Mounting

Aluminum w/polycarbonate label overlay and four

integral mounting flanges

Freestanding or surface mount

Dimensions

Height

Width

Depth

5.85 in (149 mm)

3.91 in (100 mm)

1.43 in (37 mm)

Weight 11.8 oz (335 g)

Physical Description

This section provides information on the connections, controls and indicators

available on your MP-AMP30.

MP-AMP30 Front View

Operations & Installation Guide – DOC. 6917B Media Presentation Audio Amplifier: MP-AMP30 •3

Media Presentation Audio Amplifier Crestron MP-AMP30

MP-AMP30 Overall Dimensions

4 •Media Presentation Audio Amplifier: MP-AMP30 Operations & Installation Guide – DOC. 6917B

Crestron MP-AMP30 Media Presentation Audio Amplifier

Connectors, Controls & Indicators

# CONNECTORS*,

CONTROLS &

INDICATORS

DESCRIPTION

1 BASS Control

Rotary low frequency boost/cut adjustment,

flat at center detent

2 TREBLE Control Rotary high frequency boost/cut adjustment,

flat at center detent

3 VOL Control Rotary input level adjustment

4 AUDIO OUT 8Ω, R, L

+ - + -

R L

(2) 2-pin 3.5 mm detachable terminal blocks;

Left & right channel speaker-level audio

outputs

Wire Size: Connector accepts 16 AWG

maximum

Output Power: 15 Watts per channel at 8 or 4

Ohms

5, 6 AUDIO IN

L R

(2) RCA female

Unbalanced stereo line-level audio input

Maximum Input Level: 2 Vrms

Input Impedance: 18k Ohms

3 ft (0.9 m) stereo RCA-RCA cable included

Mode selection jumpers, select stereo or

mono-summed operation

8 PWR

(1) green LED, indicates operating power

supplied from external power supply

(1) 2.1 mm barrel DC power jack, 24 Volt DC

power input;

(Power supply included)

* Interface connectors for AUDIO OUT ports are provided with the unit.

Operations & Installation Guide – DOC. 6917B Media Presentation Audio Amplifier: MP-AMP30 •5

Media Presentation Audio Amplifier Crestron MP-AMP30

Setup

Installation

Mount the MP-AMP30 to a flat surface near the audio source equipment, using four

screws (not supplied).

Hardware Hookup

Hardware Connections for the MP-AMP30

Before applying power, do the following:

1. Make sure the shunt jumpers are properly positioned for stereo (ST) or

mono (MO) audio. (Refer to diagram on unit.)

2. Connect all input and output cables (refer to the above illustration).

3. Set the BASS and TREBLE controls to their default center detent

positions, and set the VOL control to a low (counterclockwise) position.

Apply power and verify operation as follows:

1. With the 24VDC power source connected, the green LED should be

illuminated.

2. Slowly turn the VOL control clockwise until the audio is at a comfortable

level.

3. Adjust the TREBLE and BASS controls to suit personal preference.

6 •Media Presentation Audio Amplifier: MP-AMP30 Operations & Installation Guide – DOC. 6917B

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